Disc Medicine, Inc.
NASDAQ: IRON. Canonical company identity and public leadership record.
US
- Alpha ID
- alpha:company:daf3ed8e-6854-4c23-92b9-06ba1f3eab47
- SEC CIK
- 0001816736
- Record version
- vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce, published Oct 16, 2026
- Newest evidence
- Apr 28, 2026
- Monitoring
- Not yet monitored Details
- Integrity
- Not yet signed Methodology
- CEO
- John Quisel, J.D., Ph.D.President and Chief Executive Officer
- Chair
- Donald Nicholson, Ph.D.
- Independent
- Not published6 directors published
- Published claims
- 272 distinct sources
- Evidence records
- 50 pinned
- Source conflicts
- 0None open
Built from 2 distinct sources and 5 evidence records. Every Claim links to where it appears. Where nothing was published, the record states the coverage gap.
Public record. Alpha publishes governance facts about this organization from regulatory filings and company statements. Private enterprise overlay data is never projected here. The company can claim the record, correct, or dispute any Claim. How this works
EXECUTIVE APPOINTED
Wenbin Jiang, Ph.D. executive of Disc Medicine, Inc., effective 2026-04-28.
Monitoring
ContinuousWhat the published record states about identity, evidence, evaluation, monitoring, authority, and freshness. Watched-source schedules are not published for this record.
- IdentityunclaimedPublished
- Evidencesource_reportedPublished
- Evaluationnot_evaluatedPublished
- MonitoringNot yet published for this record.Not published
- AuthorityNot yet published for this record.Not published
- FreshnesscurrentPublished
Leadership
Evidence| Role | Person | Since | Status | Claim |
|---|---|---|---|---|
| Named Executive Officer | Wenbin Jiang, Ph.D. | Apr 2026 | current | Source reportedE4 |
| Chief Financial Officer | Jean Franchi | Not captured | unknown | Source reportedE2 |
| President and Chief Executive Officer | John Quisel, J.D., Ph.D. | Not captured | unknown | Source reportedE2 |
| Chief Operating Officer | Jonathan Yu, M.B.A. | Not captured | unknown | Source reportedE2 |
| Chief Commercial Officer | Pamela Stephenson, M.P.H. | Not captured | unknown | Source reportedE2 |
| Chief Legal Officer | Rahul Khara, Pharm.D., J.D. | Not captured | unknown | Source reportedE2 |
| Chief Medical Officer | William Savage, M.D., Ph.D. | Not captured | unknown | Source reportedE2 |
Board of directors
Evidence6 directors published. Independence determinations are not published for every director.
| Director | Status | Since | Committees | Claim |
|---|---|---|---|---|
| Donald Nicholson | Independence not published | 2019 | None published | Source reportedE3 |
| Georges Gemayel | Independence not published | 2022 | None published | Source reportedE3 |
| Kevin Bitterman | Independence not published | 2017 | None published | Source reportedE3 |
| Liam Ratcliffe | Independence not published | 2019 | AUDIT COMMITTEE OF THE BOARD OF DIRECTORS OF DISC MEDICINE, INC | Source reportedE3 |
| Nadim Ahmed | Independence not published | 2025 | None published | Source reportedE3 |
| Pamela Stephenson, M.P.H. | Independence not published | 2024 | None published | Source reportedE3 |
| Donald Nicholson, Ph.D. | Not independentChair | Not published | None published | Source reportedE2 |
| Georges Gemayel, Ph.D. | Independent | Not published | None published | Source reportedE2 |
| John Quisel, J.D., Ph.D. | Not independent | Not published | President and Chief Executive Officer | Source reportedE2 |
| Kevin Bitterman, Ph.D. | Independent | Not published | None published | Source reportedE2 |
| Liam Ratcliffe, M.D., Ph.D. | Independent | Not published | None published | Source reportedE2 |
| Mark Chin, M.S., M.B.A. | Independent | Not published | None published | Source reportedE2 |
| Nadim Ahmed, M.S. | Independent | Not published | None published | Source reportedE2 |
| William White, M.P.P., J.D. | Independent | Not published | None published | Source reportedE2 |
Committees and risk ownership
Evidence| Committee | Chair | Members | Risks assigned |
|---|---|---|---|
| AUDIT COMMITTEE OF THE BOARD OF DIRECTORS OF DISC MEDICINE, INC | Not published | Liam Ratcliffe | Not described in the published record |
| President and Chief Executive Officer | Not published | John Quisel, J.D., Ph.D. | Not described in the published record |
Control and voting power
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Authority to act
Evidence and agent registryWho can act for the company, and on whose authority. This is what a counterparty's agent checks before it accepts an order, signs, or pays.
Financials and market context
EvidenceGovernance and policies
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Risk, audit, and cyber
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
AI oversight and accountability
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Legal and regulatory
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Compensation
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Other published claims
EvidencePublished Claims that belong to no section above. Each keeps its permalink, evidence, and assertion state.
Not yet in this record
CoverageA gap is a coverage state, not a negative finding. These sections are expected for this entity class and are not yet published.
- Corporate structureNot reviewed. Parent, subsidiary and predecessor structure explains who is governed.
- OwnershipNot reviewed. Ownership and voting power determine who can influence the board.
- FinancialsNot reviewed. Governance-relevant financial context frames capital and audit decisions.
- CompensationNot reviewed. Pay design shows how incentives are governed.
- GovernanceNot reviewed. Governing documents and provisions set the rules of the enterprise.
- Shareholder governanceNot reviewed. Meeting and vote records show shareholder dissent and support.
- AuditNot reviewed. Auditor, controls and restatements show assurance over reporting.
- LegalNot reviewed. Material legal and regulatory matters show enforcement exposure.
- RiskNot reviewed. Risk ownership links the board, committees, executives and controls.
- CyberNot reviewed. Cyber and data governance is a disclosed oversight domain.
- AI governanceNot reviewed. AI oversight is a differentiated Alpha governance domain.
- Markets externalNot reviewed. Auditors, advisors, investors and regulators form the external ecosystem.
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.This Company Profile is an identity and evidence record, not an Alpha rating.
Linked people
Same claims as person records- Wenbin Jiang, Ph.D.Named Executive Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:24
- Jean FranchiChief Financial Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:19
- John Quisel, J.D., Ph.D.President and Chief Executive Officer; Director, President and Chief Executive Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:20, company:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:9
- Jonathan Yu, M.B.A.Chief Operating Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:21
- Pamela Stephenson, M.P.H.Chief Commercial Officer; Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:22, company:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:17
- Rahul Khara, Pharm.D., J.D.Chief Legal Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:23
- William Savage, M.D., Ph.D.Chief Medical Officercompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:25
- Donald NicholsonDirectorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:6
- Georges GemayelDirectorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:7
- Kevin BittermanDirectorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:10
- Liam RatcliffeDirectorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:12
- Nadim AhmedDirectorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:15
- Donald Nicholson, Ph.D.Executive Chairman and Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:5
- Georges Gemayel, Ph.D.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:8
- Kevin Bitterman, Ph.D.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:11
- Liam Ratcliffe, M.D., Ph.D.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:13
- Mark Chin, M.S., M.B.A.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:14
- Nadim Ahmed, M.S.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:16
- William White, M.P.P., J.D.Directorcompany:daf3ed8e-6854-4c23-92b9-06ba1f3eab47:leadership_role:18
Subject and corrections
Public-role doctrineThis record exists because the company is in the published Registry. The company can claim the record, correct, or dispute any Claim. Corrections are versioned and the original stays in history.
- Basis
- Published company record built from public sources
- Sources
- 5 evidence records cited. 0 with redistribution rights.
- Never published
- Private enterprise overlay data: deployments, authority grants, TrustChecks, receipts, telemetry
- Record claimed
- No
- Open disputes
- 0
- Identity ownership
- unclaimed
If the company claims the record, its statements appear as their own assertion state and never overwrite the cited evidence.
Evidence
Authority and rights- E1Alpha canonical company public projection. canonical identity. Retrieved Oct 16, 2026. Cited by 4 Claims.
- E2sec def 14a. Published Apr 28, 2026. Retrieved Sep 6, 2026. Cited by 14 Claims.
- E3sec proxy. Published Apr 28, 2026. Retrieved Sep 2, 2026. Cited by 6 Claims.
- E4sec filing. Published Apr 28, 2026. Retrieved May 4, 2026. Cited by 1 Claim.
- E5governance_people_committees. sec proxy. Cited by 2 Claims.
What changed in version public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce
vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce published Oct 16, 2026- Wenbin Jiang, Ph.D. executive of Disc Medicine, Inc., effective 2026-04-28.
- Nadim Ahmed seat on Disc Medicine, Inc., effective 2025-01-01.
- Pamela Stephenson, M.P.H. seat on Disc Medicine, Inc., effective 2024-01-01.
- Georges Gemayel seat on Disc Medicine, Inc., effective 2022-01-01.
- Donald Nicholson seat on Disc Medicine, Inc., effective 2019-01-01.
- Liam Ratcliffe seat on Disc Medicine, Inc., effective 2019-01-01.
- Kevin Bitterman seat on Disc Medicine, Inc., effective 2017-01-01.



